The smart Trick of CLBO Crystal That Nobody is Discussing
The smart Trick of CLBO Crystal That Nobody is Discussing
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Within this paper, The brand new lapping slurry and sprucing slurry are released. As well as deliquescence degree of CLBO is fallen to lowest. A whole new working engineering is likewise adopted. Just after tough sprucing, the focus of extremely-precision sprucing slurry is enhanced properly. So does the ultra-precision sprucing velocity, as well as wiping velocity is faster as opposed to deliquescence speed. The CLBO crystal surface roughness can achieve 1nm and maintain the surface good quality very well. Accessibility via your institution
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We summarized The present improvement position in the higher-ability DUV laser equally at the wavelength of FHG with the one-μm laser and at 193 nm. The modern development on the strong-condition/fiber laser, as well as the nonlinear optical crystals, prompts not only the common energy and also the beam quality (coherence) in the DUV lasers to an unparalleled stage.
The average ability on the NIR laser nevertheless has the possible to generally be enhanced to tens of watts for instance 70 W [26] In the event the double-move configuration might be used to the Yb:YAG SCF amplifier phase. Consequently, if the conversion effectiveness of 31% from NIR to DUV can be nevertheless taken care of at this higher electric power condition, the typical output electricity from the DUV laser at 258 nm may very well be more than 20 W, which would become a amazing ability level for that DUV laser and produce the unanticipated DUV laser machining final results. In addition, for top-electric power DUV laser, the UV damage of the nonlinear crystal, such as the windows for CLBO crystal along with the mirrors, is yet another critical parameter for long-lasting and secure operation.
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Both equally the 1040 nm and 1078 nm laser originate from just one dual-wavelength Yb-doped fiber laser. Each and every laser is amplified by stages of fiber amplifier and Yb-doped supplies amplifier, respectively.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the most effective non-linear crystal which generates ultraviolet harmonics of the Nd:YAG essential laser wavelength. In an effort to boost the harm threshold, small CLBO surface area roughness, by extremely-precision machining, is necessary. As the CLBO crystal has effortless hydroscopic reaction and micro scratches in machining, ultra-specific machining on the CLBO crystal is a tricky technical challenge.
The beam profile demonstrated in Figure 7b demonstrated a fantastic beam high-quality as one of the deserves of Raman laser, which might be read more valuable to crank out a 193-nm DUV laser with a high quality beam.
Its UV absorption edge reaches a hundred and eighty nm. The powerful nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about twice as big as that of KDP. CLBO crystals is often grown within the stoichiometric soften with decrease viscosity.
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